19982536

素因数分解:

$2^3\times 7^1\times {\mathrm{356831}}^1$

素因数の和:356844

約数の個数: 16

約数和(自身を含む): 42819840

約数和(自身を除く): 22837304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 356831, 713662, 1427324, 2497817, 2854648, 4995634, 9991268, 19982536]

約数ペア:

[(1, 19982536), (2, 9991268), (4, 4995634), (7, 2854648), (8, 2497817), (14, 1427324), (28, 713662), (56, 356831)]